Technology shares mature technology has no patent, can this technology be invested?

It's better to have a patent, otherwise shareholders can kick you out at any time (it's not a matter of people, it's just a matter of things, and it's not illegal for shareholders to kick you out). Moreover, you'd better evaluate the technology patent first, and then invest it. This is the safest and safest. We have been exposed to too many cases in which this technology became a shareholder and was finally kicked out by the newly invested shareholder. Using this method is the most effective way to protect our rights and interests. -Lite carving patent